The procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.A bone marrow biopsy removes a small, solid piece of bone marrow for examination. A common site for bone marrow aspiration and biopsy is the pelvic bone, which is located in the lower back by the hip.he procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.
A: Nigeria has a federal republic. It has executive, legislative and judicial branches of government. The National Assembly constitutes the legislative branch of government, the president exercises executive authority and the Supreme Court is the nation's highest court.
The Federal Republic of Nigeria, commonly referred to as Nigeria /naÉªËdÊÉªÉriÉ/ , is a federal constitutional republic in West Africa, bordering Benin in the west, Chad and Cameroon in the east, and Niger in the north.Its coast in the south lies on the Gulf of Guinea in the Atlantic Ocean.s of 2015, Nigeria is the world's 20th largest economy, worth more than $500 billion and $1 trillion in terms of nominal GDP and purchasing power parity respectively.